Files
tubestation/toolkit/components/extensions/ext-browserSettings.js
Bob Silverberg 6b9767d0c2 Bug 1364936 - Allow WebExtensions to disable the browser cache, r=aswan
MozReview-Commit-ID: KhupGnBT5mZ
2017-05-24 13:17:42 -04:00

62 lines
1.6 KiB
JavaScript

/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set sts=2 sw=2 et tw=80: */
"use strict";
XPCOMUtils.defineLazyModuleGetter(this, "Preferences",
"resource://gre/modules/Preferences.jsm");
Cu.import("resource://gre/modules/ExtensionPreferencesManager.jsm");
function getAPI(extension, name, callback) {
return {
async get(details) {
return {
levelOfControl: details.incognito ?
"not_controllable" :
await ExtensionPreferencesManager.getLevelOfControl(
extension, name),
value: await callback(),
};
},
set(details) {
return ExtensionPreferencesManager.setSetting(
extension, name, details.value);
},
clear(details) {
return ExtensionPreferencesManager.removeSetting(extension, name);
},
};
}
// Add settings objects for supported APIs to the preferences manager.
ExtensionPreferencesManager.addSetting("cacheEnabled", {
prefNames: [
"browser.cache.disk.enable",
"browser.cache.memory.enable",
],
setCallback(value) {
let returnObj = {};
for (let pref of this.prefNames) {
returnObj[pref] = value;
}
return returnObj;
},
});
this.browserSettings = class extends ExtensionAPI {
getAPI(context) {
let {extension} = context;
return {
browserSettings: {
cacheEnabled: getAPI(extension,
"cacheEnabled",
() => {
return Preferences.get("browser.cache.disk.enable") &&
Preferences.get("browser.cache.memory.enable");
}),
},
};
}
};